This is the 4th game by supercell and this game have the msot different concept than other three games. Though this game looks similar to clash of clans as it has the same troops used that are used in clash of clans but the concept of the game is completely different.
This game includes live battle and different cards are unlocked through the chests provided after winning a war and multiple other ways. Its fun playing this game and it has good way to pass the time.